NIRx NIRSport User Manual
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2.4 Routine Maintenance
The optical probes (LED sources and active detectors) are delicate electro-optical devices. Any strain,
kinking, pinching, and tight bending especially close to the connector should be avoided since this can
damage the wires. In the case of suspected damage, please contact the manufacturer.
No regular service, calibration, or inspection of the instrument by the user, vendor, manufacturer, is
required for proper operation of the instrument. In order to maintain adequate signal quality, the user is
advised to regularly perform the system check procedures such as a Dark Noise Check (see, NIRStar
Software User Manual) and a static phantom stability measurement.
2.5 Waste Products and Disposal
There are no waste products from the equipment
Please contact the manufacturer for help with the disposal of the instrument or its components at the
end of its useful life.
2.6 Operating Environment
2.7 Use of Device
The NIRx NIRSport Near Infrared Spectroscopy (NIRS) imaging system is intended for non-invasive
transcranial Near-Infrared Spectroscopy (NIRS) of blood perfusion dynamics in the human head. NIRSport
is a research instrument. The instrument and all accessories are to be used for research purposes only.
3 Functional Description
NIRSport performs dual-wavelength continuous-wave (CW) near infrared (NIR) diffuse tomographic
measurements on large tissue structures at high (= several Hz) sampling rates. The system facilitates NIR
illumination of multiple target locations in a time-multiplexed, scanning fashion. Using LED emitters at
two distinct wavelengths allows discrimination of the two oxygenation states of tissue hemoglobin. Both
NIRSport instruments are not safe for the use in presence of inflammable
anesthetics. NIRSport instruments are not to be used in an operating room.
The equipment should be operated at a temperature of -10°C to +40°C and at a
relative humidity of 20% to 80% (non-condensing). Ambient pressure should be
within 700 hPa and 1060 hPa.
NIRx products are NOT “medical devices” intended to be used for the purpose of
diagnosis of disease or other conditions, or in the cure, mitigation, treatment, or
prevention of disease, or used as a life support device. Use of NIRx products are
solely for research purposes.
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